Quantitative MRI measurement of lung density must account for the change in T with lung inflation

RJ Theilmann, TJ Arai, A Samiee… - … Resonance Imaging …, 2009 - Wiley Online Library
… To evaluate lung water density at three different levels of lung inflation in normal lungs
density, provides a promising approach for measuring lung water, especially because there are …

Assessment of the influence of lung inflation state on the quantitative parameters derived from hyperpolarized gas lung ventilation MRI in healthy volunteers

PJC Hughes, L Smith, HF Chan… - Journal of Applied …, 2019 - journals.physiology.org
MRI. Thus the aims of this study were to use both HP 3 He and 129 Xe MRI to 1) assess the
effect of different lung inflation … on quantitative measurements of lung ventilation derived from …

Measuring lung water: Ex vivo validation of multi‐image gradient echo MRI

S Holverda, RJ Theilmann, RC Sá… - … Resonance Imaging, 2011 - Wiley Online Library
Lung water content measured by our multi-gradient echo sequence demonstrates a … values
in ex vivo inflated pig lungs, regardless of the level of lung inflation, showing that T 2 * effects …

Emphysema quantification in inflation-fixed lungs using low-dose computed tomography and 3He magnetic resonance imaging

DS Gierada, JC Woods, RE Jacob… - Journal of computer …, 2010 - journals.lww.com
… However, we did not measure lung weight before and after fixation and could not assess
whether there were differences that correlated with differences in CT attenuation …

Hyperpolarized gas diffusion MRI of biphasic lung inflation in short-and long-term emphysema models

Y Xin, M Cereda, S Kadlecek… - … of Physiology-Lung …, 2017 - journals.physiology.org
magnetic resonance imaging (HP MRI). This study aimed to characterize lung inflation over
a broad range of inflation volume … that measuring ADC at intermediate inflation enhances the …

Effect of lung inflation on arterial spin labeling signal in MR perfusion imaging of human lung

VM Mai, Q Chen, AA Bankier, M Blake… - … Resonance Imaging …, 2001 - Wiley Online Library
… of lung transplants or diagnose pathologies such as pulmonary embolism. Magnetic resonance
imaging (MRI) of the lung … been introduced to noninvasively measure cerebral blood flow …

MRI of the lung (2/3). Why… when… how?

J Biederer, M Beer, W Hirsch, J Wild, M Fabel… - Insights into …, 2012 - Springer
… It allows for multiple and repeated measurements and can be used to assess motion and …
However, most conditions resulting in destruction and over-inflation of lung parenchyma, such …

Morphometric changes in the human pulmonary acinus during inflation

AJ Hajari, DA Yablonskiy… - Journal of applied …, 2012 - journals.physiology.org
… of lung inflation and deflation, there is little consensus about whether lung inflation occurs due
to the … In this study we use in vivo 3 He lung morphometry via MRI to measure the average …

A pneumatic phantom for mimicking respiration‐induced artifacts in spinal MRI

P De Tillieux, R Topfer, A Foias, I Leroux… - Magnetic resonance …, 2018 - Wiley Online Library
inflation system to mimic the air variation of the human lungs was constructed. The inflation
… Figure 4 exhibits the pseudo-displacement of the spine in EPI measured for lung pressures of …

Effect of Lung Inflation Level on Hyperpolarized 3He Apparent Diffusion Coefficient Measurements in Never-Smokers

AF Halaweish, EA Hoffman, DR Thedens, MK Fuld… - Radiology, 2013 - pubs.rsna.org
… VC lung inflation step, lung was uniformly expanded and there were no right versus left lung
… microstructure at the alveolar level with hyperpolarized 3 He diffusion MRI. Proc Natl Acad …